def fussy_method(x)
	raise ArgumentError, "I need a number under 10" unless x < 10
end
begin
	fussy_method(20)
rescue ArgumentError => e
	puts "That was not an acceptable number!"
	puts "Here's the backtrace for this exception:"
	puts e.backtrace
	puts "And here's the exception object's message"
	puts e.message
end